Higher order harmonic generation and strong field ionization with Bessel-Gauss beams in a thin jet geometry
Michael Davino,
Adam Summers,
Tobias Saule
et al.
Abstract:A promising alternative to Gaussian beams for use in strong field science is Bessel-Gauss (BG or Bessel-like) laser beams as they are easily produced with readily available optics and provide more flexibility of the spot size and working distances. Here we use BG beams produced with a lens-axicon optical system for higher order harmonic generation (HHG) in a thin gas jet. The finite size of the interaction region allows for scans of the HHG yield along the propagation axis. Further, by measuring the ionization… Show more
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